The unveiling of an addressable advertising arm by recommendation engine expert ThinkAnalytics appears to be driven by the movements of one particular tier 1 customer – which could result in some unusual overlap. That customer is Sky and the technology is called AdSmart, only last month bearing its first fruits after five years of field trials. Could ThinkAnalytics have picked up a trick or two from Sky’s revered AdSmart system over the years through the installation of its content recommendation software at the European powerhouse? It’s possible, although ThinkAnalytics is well-known for its in-house innovation. Of course, with the UK vendor serving some 250 million subscribers in 43 languages today, some might say ThinkAnalytics could make its advertising debut without…